Until now, even when the market crashed I still loudly shouted that Ethereum would return to the top of its popularity as the best coin no 2 accompany bitcoin, if Ethereum rose to $ 2000 it had made me go to the moon. 
Now, it is really different to make any good predictions. However, I believe that Ethereum will easily reach 2-3 thousand in 2020. This cryptocurrency is very cool, and ETH platform is the best one.